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The schedule starts with daily shots for a week, then weekly for a month, and then monthly to keep it up

Common concerns include: Feeling tired more often than usual Low energy levels Tingling or numbness sensations Difficulty concentrating Weakness These symptoms can have many causes, so speaking with a healthcare provider is the best way to understand your individual situation

Things that affect absorption: How well your body absorbs B12 from pills can vary

But the thigh is the best option for people who experience significant nausea, prefer clear visibility of the injection, or have limited subcutaneous fat in the abdominal area

Larger trials would provide more precise effect estimates and detect smaller differences between groups

This is due to its long half-life and sustained effect on ovarian suppression and endometrial thinning